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- Subject
- D.C. Motorselectrical-engineering-mcqs › d-c-motors
- Published
- 2 Jul 2018
- Last updated
- 28 May 2026
Explanation
Armature reaction in a DC motor influences the magnetic field, which can lead to a change in speed. Specifically, it causes an increase in the motor's speed rather than a decrease or electrical faults like short or open circuits.
More D.C. Motors MCQs
Practice related questions from the same subject.
- 1.What principle does regenerative braking rely on?
- 2.The Ward Leonard technique for regulating motor speed primarily involves which method?
- 3.Which test is suitable for conducting on a DC series motor?
- 4.In a DC motor, how is the interpole winding typically connected?
- 5.Why is it unsafe to start a DC series motor when it is running without any load?
- 6.Which technique is commonly employed to regulate the speed of a DC shunt motor?
- 7.What will happen to the speed of a DC shunt motor if the resistance in its field winding is raised?
- 8.How does the speed of a DC series motor change as the temperature rises?
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